package Duotai;

public class Main {
    public static void main(String[] args) {
        SuperMember superMember =new SuperMember();
//        OrdinaryMember ordinaryMember = new OrdinaryMember();
        Cashier cashier = new Cashier();

        cashier.setMember(superMember);
//        cashier.setMember(ordinaryMember);
        cashier.settlement();
    }

}
